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1#ifndef _ASM_IA64_CACHE_H
2#define _ASM_IA64_CACHE_H
3
4
5/*
6 * Copyright (C) 1998-2000 Hewlett-Packard Co
7 * David Mosberger-Tang <davidm@hpl.hp.com>
8 */
9
10/* Bytes per L1 (data) cache line. */
11#define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT
12#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
13
14#ifdef CONFIG_SMP
15# define SMP_CACHE_SHIFT L1_CACHE_SHIFT
16# define SMP_CACHE_BYTES L1_CACHE_BYTES
17#else
18 /*
19 * The "aligned" directive can only _increase_ alignment, so this is
20 * safe and provides an easy way to avoid wasting space on a
21 * uni-processor:
22 */
23# define SMP_CACHE_SHIFT 3
24# define SMP_CACHE_BYTES (1 << 3)
25#endif
26
27#define __read_mostly __attribute__((__section__(".data..read_mostly")))
28
29#endif /* _ASM_IA64_CACHE_H */